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SubjectRe: [PATCH v20 00/28] Intel SGX1 support
On 2019-04-19 08:27, Andy Lutomirski wrote:
> There are many,
> many Linux systems that enforce a policy that *all* executable text
> needs to come from a verified source. On these systems, you can't
> mmap some writable memory, write to it, and then change it to
> executable.

How is this implemented on those systems? AFAIK there's no kernel config
option that changes the semantics of mmap as you describe.

Jethro Beekman | Fortanix
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